12421140001 has 2 divisors, whose sum is σ = 12421140002. Its totient is φ = 12421140000.

The previous prime is 12421139993. The next prime is 12421140007. The reversal of 12421140001 is 10004112421.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12415307776 + 5832225 = 111424^2 + 2415^2 .

It is a cyclic number.

It is not a de Polignac number, because 12421140001 - 2³ = 12421139993 is a prime.

It is not a weakly prime, because it can be changed into another prime (12421140007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6210570000 + 6210570001.

It is an arithmetic number, because the mean of its divisors is an integer number (6210570001).

Almost surely, 2^12421140001 is an apocalyptic number.

It is an amenable number.

12421140001 is a deficient number, since it is larger than the sum of its proper divisors (1).

12421140001 is an equidigital number, since it uses as much as digits as its factorization.

12421140001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12421140001 its reverse (10004112421), we get a palindrome (22425252422).

The spelling of 12421140001 in words is "twelve billion, four hundred twenty-one million, one hundred forty thousand, one".